In 1913, Blériot Remembers ZENITH’s precision Using these words and phrases that he shared within the brand’s guestbook: “I'm very content with the ZENITH watch which I commonly use And that i simply cannot recommend it extremely enough to people that care about precision”. 6 miles, or 55.7 km) at https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/